C++ (Cpp) gtk_css_node_set_styleの例

コード例 #1

ファイル: gtkcssnode.c プロジェクト: davidyang5405/gtk

static void
gtk_css_node_ensure_style (GtkCssNode *cssnode,
                           gint64      current_time)
{
    gboolean style_changed;

    if (!gtk_css_node_needs_new_style (cssnode))
        return;

    if (cssnode->parent)
        gtk_css_node_ensure_style (cssnode->parent, current_time);

    if (cssnode->style_is_invalid)
    {
        GtkCssStyle *new_style;

        if (cssnode->previous_sibling)
            gtk_css_node_ensure_style (cssnode->previous_sibling, current_time);

        new_style = GTK_CSS_NODE_GET_CLASS (cssnode)->update_style (cssnode,
                    cssnode->pending_changes,
                    current_time,
                    cssnode->style);

        style_changed = gtk_css_node_set_style (cssnode, new_style);
        g_object_unref (new_style);

        if (!style_changed && (cssnode->pending_changes & GTK_CSS_CHANGE_SOURCE))
        {
            /* clear the global cache if we reuse the same style after the CSS changed */
            g_object_set_qdata (G_OBJECT (cssnode->style), quark_global_cache, NULL);
        }
    }
    else
    {
        style_changed = FALSE;
    }

    gtk_css_node_propagate_pending_changes (cssnode, style_changed);

    cssnode->pending_changes = 0;
    cssnode->style_is_invalid = FALSE;
}

コード例 #2

ファイル: gtkcssnode.c プロジェクト: GYGit/gtk

static void
gtk_css_node_ensure_style (GtkCssNode *cssnode,
                           gint64      current_time)
{
  gboolean style_changed;

  if (!gtk_css_node_needs_new_style (cssnode))
    return;

  if (cssnode->parent)
    gtk_css_node_ensure_style (cssnode->parent, current_time);

  if (cssnode->style_is_invalid)
    {
      GtkCssStyle *new_style;

      if (cssnode->previous_sibling)
        gtk_css_node_ensure_style (cssnode->previous_sibling, current_time);

      g_clear_pointer (&cssnode->cache, gtk_css_node_style_cache_unref);

      new_style = GTK_CSS_NODE_GET_CLASS (cssnode)->update_style (cssnode,
                                                                  cssnode->pending_changes,
                                                                  current_time,
                                                                  cssnode->style);

      style_changed = gtk_css_node_set_style (cssnode, new_style);
      g_object_unref (new_style);
    }
  else
    {
      style_changed = FALSE;
    }

  gtk_css_node_propagate_pending_changes (cssnode, style_changed);

  cssnode->pending_changes = 0;
  cssnode->style_is_invalid = FALSE;
}